The best PC power supply should top your shopping list when building a new PC or updating the previous one. It's not as sexy as looking for the best graphics card wave best processors, but the components of your computer cannot function properly without the proper amount of energy.
You want to find the best PC power supply from the beginning. Otherwise, your computer could lose energy efficiency or, worse, become a burning hell. Also, replacing one later can be a hassle, and you probably don't know that your power supply is running out until it's too late. That said, the best PC power supply shouldn't have to break the bank. You can still find a great power supply with a limited budget.
Whether you go for the best power supply, complete with RGB lighting and enough juice for the entire neighborhood, or get one to power one of the best gaming PCs with two RTX 2080 Tis In SLI, there is something ideal for you. Take a look at our selections of the best PC power supply to find the best one for you.
The best PC power supply at a glance:
- Corsair RM750x
- EVGA 500 B1
- silence! Straight power 10
- Thermaltake Toughpower Grand RGB 1050W Platinum
- Silverstone SFX Series SST-SX550
- Thermaltake Toughpower PF1 ARGB 1200W
- XPG Core Reactor 750W
- Thermaltake Smart RGB 700W
- Corsair AX1500i
- NZXT E650
1. Corsair RM750x
Form factor: ATX | Capacity: 750W | Efficiency Rating: 80 Plus Gold | Modularity: Complete | Warranty: 10 years
Fan mode without RPM
Maximum 750 w small capacity for advanced players
The Corsair RM750x ranks first on this list for a simple reason: it is the most complete power supply you can buy today. In addition to a 10-year warranty and an 80 Gold Plus efficiency rating, the Corsair has a completely modular cable system. This means that you only need to install the cables you need: you can say goodbye to the cable clutter and poor airflow that non-modular PSUs support.
2. EVGA 500 B1
Form factor: ATX | Capacity: 500W | Efficiency Rating: 80 Plus Bronze | Modularity: None | Warranty: 3 years
6 SATA cables
If you are looking for an affordable power supply that does not cut too many corners, there are not many options at this time. Therefore, an economical power supply such as the EVGA 500 B1 can match your alley. For less than the price of a new game, you will get 500 watts of power transmitted through several SATA cables and two PCIe cables. This is undoubtedly one of the best power supplies because it covers the essentials and nothing else, which is exactly what an economical PC component should do. The three year warranty is also a nice touch.
- This product is only available in the USA. UU. And the United Kingdom at the time of writing this article. Australian readers: check out an excellent alternative in the Corsair RM750x
3. Shut up! Straight power 10
Form factor: ATX | Capacity: 400W – 700W | Efficiency Rating: 80 Plus Gold | Modularity: Semi | Warranty: 5 years
Silent compatibility with ATX and EPS
A bit expensive in all capacities
Even the best PSUs seem to have extremely loud fans, and unlike case fans, it is not exactly easy to replace them. Fortunately, the Straight Power 10 line is nice and quiet. The options range between 400w and 700w, and have SLI and Crossfire certification. They are also modular, which means that you only need to use the necessary cables for your construction.
4. Thermaltake Toughpower Grand RGB 1050W Platinum
The best power supply with advanced platform
Form factor: ATX | Capacity: 1050W | Efficiency Rating: 80 PLUS Platinum, ETA-A (88-91%) | Modularity: Complete | Warranty: 10 years
Strange fan profile
No over temperature protection
Thanks to the advanced and reliable platform it uses, the Thermaltake Toughpower Grand RGB 1050W Platinum offers high overall performance. It also has five vivid RGB lighting modes: controllable by a button on the back, a built-in memory function and a Smart Zero Fan that is ultra quiet.
5. Silverstone SFX Series SST-SX550
The best compact power supply
Form factor: SFX | Capacity: 550W | Efficiency Rating: 80 Plus Gold | Modularity: None | Warranty: 3 years
ATX and EPS support
Limited number of connectors.
Unfortunately, the best PC power supplies tend to be giant chunks of metal that don't fit in smaller PC cases. However, the Silverstone SFX SST SX550 is a compact power supply that adapts in many cases. It is half the size of most other PSUs on this list, which allows more space for better air flow. This makes it an easy choice for anyone who builds a mini ITX or micro ATX construction, and can even slide it into a medium or full tower, if desired. It's easy to see why Silverstone SFX is one of the best PC power supplies.
6. Thermaltake Toughpower PF1 ARGB 1200W
Form factor: ATX | Capacity: 1200W | Efficiency Rating: 80 PLUS Platinum, ETA-A (88-91%) | Modularity: Complete | Warranty: 10 years
Very good transient response
The Thermaltake Toughpower PF1 ARGB 1200W is robust and beautiful in one, offers high performance with RGB lighting functions. If you have a duplicate high power configuration, this is the best PC power supply. Better yet, it is completely modular and is built like a tank, so it will last a long time. All these high-end features are priced higher, but if you have extra money, it's worth it.
7. XPG Core Reactor 750W
The best for the new ATX specifications
Form factor: ATX | Capacity: 750W | Efficiency Rating: 80 PLUS Gold, ETA-A (88-91%) | Modularity: Complete | Warranty: 10 years
Total power at 47 degrees Celsius
Efficient and quiet
Good transient response
The XPG Core Reactor 750 can have a fairly tough competition, such as the Corsair RM750x, for example. Its high price does not help. However, it is a powerful power supply with higher quality parts and high performance. In addition, it is also one of the few power supplies that is fully compatible with the new ATX specifications. And it is quite compact, ideal for a more compact computer configuration.
8. Thermaltake Smart RGB 700W
Form factor: ATX | Capacity: 700W | Efficiency Rating: 80 Plus | Modularity: No | Warranty: 5 years
Beautiful RGB lighting
In 2020, if your PC is not tied at nine with RGB lighting, you are not trying hard enough. Enter the Thermaltake Smart RGB 700W: not only does it have beautiful addressable RGB lighting, but it also has a reliable 80 Plus efficiency rating and enough power to support even the best gaming PCs. Yes, it is not modular, but at less than a hundred dollars, we are willing to look the other way, especially with that ill lighting.
9. Corsair AX1500i
The best high capacity power supply
Form factor: EPS | Capacity: 1500W | Efficiency Rating: 80 Plus Titanium | Modularity: Completely | Warranty: 10 years
Titanium efficiency rating
If you are a serious builder who plans to build an absolute giant of a platform, with multiple graphics cards, cooling systems in addition to a healthy overclocking, the Corsair AX1500i is the best PC power supply for you. It has the highest possible 80 Plus Titanium efficiency rating, and is completely modular, so you only need to add the cables that your construction really requires.
10. NZXT E650
The best modular power supply.
Form factor: ATX | Capacity: 650W | Efficiency Rating: 80 Plus Gold | Modularity: Complete | Warranty: 10 years
10 year warranty
On the expensive side
If you're really trying to maximize the visual appeal of your construction, a modular power supply is almost essential: you can prevent all those messy-looking cables from cluttering your housing. the NZXT E650 takes things one step further. Not only is it a completely modular power supply, which means that you only need to connect the cables you really need, but it is also extremely attractive in itself, so it must be shown in its case. All this is completed with an 80 Plus Gold efficiency rating and a 10-year warranty: not only will it look good, but it will deliver energy efficiently and last forever while doing so.
Gabe Carey has also contributed to this article.